JP7655949B2 - 再捕捉可能なファネルカテーテル、並びに関連するシステム及び方法 - Google Patents
再捕捉可能なファネルカテーテル、並びに関連するシステム及び方法 Download PDFInfo
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Description
本出願は、全体が参照により本明細書に組み込まれる、2020年6月5日に出願され、「RECAPTURABLE FUNNEL CATHETERS,AND ASSOCIATED SYSTEMS AND METHODS」と題された米国特許仮出願第63/035,605号の利益を主張する。
本技術は、概して、人間の患者の血管から血栓を抽出するための処置中の塞栓保護のためのシステム、方法、及びデバイスに関する。
本発明は、例えば、以下を提供する。
(項目1)
ファネルカテーテルアセンブリであって、
管腔を画定する外側シャフトと、
前記管腔を通って延在し、かつ近位部分及び遠位部分を有する内側シャフトと、
前記内側シャフトの前記遠位部分に連結された拡張可能なファネルと、
前記ファネルを第1の位置と第2の位置との間で移動させるように構成された制御アセンブリと、を備え、
前記第1の位置において、前記ファネルは、前記外側シャフトの前記管腔内に拘束され、
前記第2の位置において、前記ファネルは、前記ファネルが拡張することができるように、少なくとも部分的に前記外側シャフトの前記管腔の外側に配置される、ファネルカテーテルアセンブリ。
(項目2)
前記制御アセンブリが、前記外側シャフトに連結され、かつ前記内側シャフトに対して前記外側シャフトを移動させるように構成されている、項目1に記載のファネルカテーテルアセンブリ。
(項目3)
前記制御アセンブリが、前記ファネルを前記第1の位置と前記第2の位置との間で移動させるように移動可能なアクチュエータを含む、項目1に記載のファネルカテーテルアセンブリ。
(項目4)
前記アクチュエータがスライダである、項目3に記載のファネルカテーテルアセンブリ。
(項目5)
前記ファネルが、近位部分及び遠位部分を含み、前記ファネルの前記近位部分が、前記内側シャフトの前記遠位部分に連結されている、項目1に記載のファネルカテーテルアセンブリ。
(項目6)
前記ファネルの前記遠位部分が、前記外側シャフトに連結されている、項目5に記載のファネルカテーテル。
(項目7)
封止可能なハブ及びサイドポートを更に備え、前記サイドポートが、前記制御アセンブリと前記封止可能なハブとの間に回転可能に連結されている、項目1に記載のファネルカテーテルアセンブリ。
(項目8)
ファネルカテーテルアセンブリであって、
外側管腔を画定する外側シャフトと、
前記外側管腔を通って延在し、かつ近位部分及び遠位部分を有する内側シャフトと、
前記内側シャフトの前記遠位部分に連結された拡張可能なファネルと、
前記外側シャフトの前記近位部分に動作可能に連結され、かつ前記外側シャフトを第1の位置と第2の位置との間で移動させるように構成された制御アセンブリと、を備え
前記第1の位置において、前記外側シャフトは、前記ファネルを半径方向に拘束するように、前記ファネルの上に少なくとも部分的に配置され、
前記第2の位置において、前記外側シャフトは、前記ファネルが半径方向に拡張することができるように、前記ファネルに対して近位に後退させられる、ファネルカテーテルアセンブリ。
(項目9)
前記制御アセンブリが、ハウジングと、作動部材と、を含み、前記作動部材が、前記外側シャフトの近位部分に連結され、前記作動部材が、前記外側シャフトを前記第1の位置と前記第2の位置との間で移動させるように前記ハウジングに沿って摺動可能である、項目8に記載のファネルカテーテルアセンブリ。
(項目10)
前記ファネルが、自己拡張するように構成されている、項目8に記載のファネルカテーテルアセンブリ。
(項目11)
前記ファネルが、非自己拡張型であり、前記ファネルが、前記外側シャフトの遠位部分に更に連結され、前記第1の位置から前記第2の位置への前記外側シャフトの移動が、前記ファネルを拡張するように構成されている、項目8に記載のファネルカテーテルアセンブリ。
(項目12)
前記ファネルの遠位部分が、1つ以上のテザーを介して、前記外側シャフトの前記遠位部分に連結されている、項目11に記載のファネルカテーテルアセンブリ。
(項目13)
前記内側シャフトが、拡張器を受容するようにサイズ決めされた内側管腔を画定する、項目8に記載のファネルカテーテルアセンブリ。
(項目14)
患者に対する血管内処置中にファネルカテーテルアセンブリを操作する方法であって、前記方法が、
前記ファネルカテーテルアセンブリの内側シャフト、外側シャフト、及びファネルを前記患者の脈管構造内に少なくとも部分的に挿入することと、
前記内側シャフト、前記外側シャフト、及び前記ファネルを一緒に前記患者の前記脈管構造内の展開位置まで前進させることであって、前記ファネルが、前記前進中に前記外側シャフトの管腔内に被覆される、前進させることと、
前記ファネルを露出させ、かつ前記ファネルが拡張位置に拡張することを可能にするために、前記外側シャフトを前記内側シャフトに対して移動させることと、
前記血管内処置の少なくとも一部の間、前記ファネルを前記拡張位置に維持することと、
前記ファネルを前記外側シャフトの前記管腔内に被覆するために、前記外側シャフトを前記内側シャフトに対して移動させ、かつ/又は前記内側シャフトを前記外側シャフトに対して移動させることと、
前記ファネルカテーテルアセンブリを前記患者から引き抜くことと、を含む、方法。
(項目15)
前記ファネルが、自己拡張可能であり、前記ファネルを露出させるために前記外側シャフトを前記内側シャフトに対して移動させることが、前記ファネルが前記拡張位置に自己拡張することを可能にすることを含む、項目14に記載の方法。
(項目16)
前記ファネルを露出させるために前記外側シャフトを前記内側シャフトに対して移動させることが、前記ファネルカテーテルアセンブリの制御アセンブリのスライダを第1の位置から第2の位置へ移動させることを含み、前記スライダが、前記外側シャフトの近位部分に連結されている、項目14に記載の方法。
(項目17)
前記ファネルを露出させるために前記外側シャフトを前記内側シャフトに対して移動させることが、前記ファネルカテーテルアセンブリの制御アセンブリの回転可能な要素を第1の位置から第2の位置に回転させることを含む、項目14に記載の方法。
(項目18)
前記ファネルが、非自己拡張型であり、前記方法が、前記ファネルを作動させて前記拡張位置に拡張させることを更に含む、項目14に記載の方法。
(項目19)
前記内側シャフト、前記外側シャフト、及び前記ファネルを前記患者の前記脈管構造内に挿入することが、前記内側シャフト内に配置された拡張器を前記患者の前記脈管構造内に少なくとも部分的に挿入することを更に含み、
前記内側シャフト、前記外側シャフト、及び前記ファネルを前進させることが、前記内側シャフト、前記外側シャフト、前記ファネル、及び前記拡張器を一緒に前記展開位置まで前進させることを更に含む、項目14に記載の方法。
(項目20)
前記ファネルを露出させるために前記外側シャフトを前記内側シャフトに対して移動させることが、前記外側シャフトを第1の方向に移動させることを含み、前記方法が、前記外側シャフトを前記第1の方向とは反対の第2の方向に移動させることによって、前記ファネルを被覆するために前記外側シャフトを前記内側シャフトに対して移動させることを更に含む、項目14に記載の方法。
図1は、本技術の実施形態によるファネルカテーテルアセンブリ100の部分的に透明で部分的に断面の側面図である。図示される実施形態では、ファネルカテーテルアセンブリ100は、細長い外側シャフト102と、外側シャフト102と同軸の細長い内側シャフト104とを含む。外側シャフト102及び内側シャフト104(「シャフト102、104」)は、シース、カテーテル、中空部材などと呼ぶこともできる。外側シャフト102は、管腔106を画定し、近位部分107a及び遠位部分107bを含む。内側シャフト104は、外側シャフト102の管腔106を通って延在し、同様に管腔108を画定し、近位部分109a及び遠位部分109bを含む。近位部分107a及び109aはそれぞれ、近位端/終端で終端することができ、遠位部分107b及び109bはそれぞれ、遠位端/終端で終端することができる。シャフト102、104は、弾性及び/又は可撓性とすることができ、任意の好適な長さ及び直径を有することができる。
図1~図4を一緒に参照すると、ファネルカテーテルアセンブリ100は、血栓を捕捉し、血栓が患者の脈管構造の部分に塞栓形成することを阻止するために、無数の処置において使用することができる。例えば、図5~図8は、本技術の様々な実施形態によるファネルカテーテルアセンブリ100を利用して、人間の患者の血管BVから血栓Tを除去するための様々な血栓摘出技術を図示する概略図である。
下肢深部静脈血栓(DVT)の治療のために下大静脈(inferior vena cava、IVC)内に展開するための内頸静脈(Internal jugular、IJ)アクセス;
IVCフィルタの除去及び/又はIVC内に位置する血栓の治療のための、IVC内での展開のためのIJアクセス;
下肢DVTの治療のために下肢静脈(腸骨静脈、大腿静脈、膝窩静脈など)の深部静脈内に展開するためのIJアクセス;
上肢DVT及び/又はSVC血栓の治療のために上大静脈(superior vena cava、SVC)内で展開するための総大腿静脈(Common femoral vein、CFV)アクセス;
上肢DVT及び/又はSVC血栓の治療のために上肢静脈(腕頭動脈、鎖骨下動脈、腋窩静脈など)に展開するためのCFVアクセス;
肺塞栓症の治療のために肺動脈(pulmonary artery、PA)内に展開するためのCFVアクセス;
血栓除去のために左心房口及び左心耳(LAA)内で展開するための経中隔アクセスを伴うCFVアクセス;
動脈内膜剥離(carotid endarterectomy、CEA)のために総頸動脈(common carotid artery、CCA)内に展開するための内頸動脈(Internal Carotid Artery、ICA)アクセス;
胸腹部及び/又は腹部大動脈(abdominal aortic、AA)血栓及び/又は大動脈動脈血栓症の治療のために下行胸部大動脈に展開するためのICAアクセス;
腎臓血栓症の治療のために下行大動脈/胸大動脈に展開するためのICAアクセス;
上腸間膜動脈(superior mesenteric artery、SMA)血栓(mesenteric artery thrombosis、MAT)の治療のための動脈内設置のためのICAアクセス;
上腕動脈、橈骨動脈、膝窩動脈、又は足背動脈におけるアテローム性動脈硬化症の治療のための総大腿動脈(Common Femoral Artery、CFA)アクセス;
大動脈-動脈血栓症及び/又は閉塞の治療のために総腸骨動脈内で展開するためのCFAアクセス;
腎動脈血栓症の治療のために腹部大動脈内で展開するためのCFAアクセス;及び/又は
胸腹部及び/又はAA血栓及び/又は大動脈動脈血栓症の治療のために大動脈内に展開するためのCFAアクセス。
本技術のいくつかの態様を以下の実施例に記載する。
1.ファネルカテーテルアセンブリであって、
管腔を画定する外側シャフトと、
管腔を通って延在し、かつ近位部分及び遠位部分を有する内側シャフトと、
内側シャフトの遠位部分に連結された拡張可能なファネルと、
ファネルを第1の位置と第2の位置との間で移動させるように構成された制御アセンブリと、を備え、
第1の位置において、ファネルは、外側シャフトの管腔内に拘束され、
第2の位置において、ファネルは、ファネルが拡張することができるように、少なくとも部分的に外側シャフトの管腔の外側に配置される、ファネルカテーテルアセンブリ。
2.制御アセンブリが、外側シャフトに連結され、かつ内側シャフトに対して外側シャフトを移動させるように構成されている、実施例1に記載のファネルカテーテルアセンブリ。
3.制御アセンブリが、ファネルを第1の位置と第2の位置との間で移動させるように移動可能なアクチュエータを含む、実施例1又は実施例2に記載のファネルカテーテルアセンブリ。
4.アクチュエータがスライダである、実施例3に記載のファネルカテーテルアセンブリ。
5.ファネルが、近位部分及び遠位部分を含み、ファネルの近位部分が、内側シャフトの遠位部分に連結されている、実施例2~4のいずれか1つに記載のファネルカテーテルアセンブリ。
6.ファネルの遠位部分が、外側シャフトに連結されている、実施例5に記載のファネルカテーテル。
7.封止可能なハブ及びサイドポートを更に備え、サイドポートが、制御アセンブリと封止可能なハブとの間に回転可能に連結されている、実施例1~6のいずれか1つに記載のファネルカテーテルアセンブリ。
8.ファネルカテーテルアセンブリであって、
外側管腔を画定する外側シャフトと、
外側管腔を通って延在し、かつ近位部分及び遠位部分を有する内側シャフトと、
内側シャフトの遠位部分に連結された拡張可能なファネルと、
外側シャフトの近位部分に動作可能に連結され、かつ外側シャフトを第1の位置と第2の位置との間で移動させるように構成された制御アセンブリと、を備え
第1の位置において、外側シャフトは、ファネルを半径方向に拘束するように、ファネルの上に少なくとも部分的に配置され、
第2の位置において、外側シャフトは、ファネルが半径方向に拡張することができるように、ファネルに対して近位に後退させられる、ファネルカテーテルアセンブリ。
9.制御アセンブリが、ハウジングと、作動部材と、を含み、作動部材が、外側シャフトの近位部分に連結され、作動部材が、外側シャフトを第1の位置と第2の位置との間で移動させるようにハウジングに沿って摺動可能である、実施例8に記載のファネルカテーテルアセンブリ。
10.ファネルが自己拡張するように構成されている、実施例8又は実施例9に記載のファネルカテーテルアセンブリ。
11.ファネルが、非自己拡張型であり、ファネルが、外側シャフトの遠位部分に更に連結され、第1の位置から第2の位置への外側シャフトの移動が、ファネルを拡張するように構成されている、実施例8又は実施例9に記載のファネルカテーテルアセンブリ。
12.ファネルの遠位部分が、1つ以上のテザーを介して、外側シャフトの遠位部分に連結されている、実施例11に記載のファネルカテーテルアセンブリ。
13.内側シャフトが、拡張器を受容するようにサイズ決めされた内側管腔を画定する、実施例8~12のいずれか1つに記載のファネルカテーテルアセンブリ。
14.患者に対する血管内処置中にファネルカテーテルアセンブリを操作する方法であって、方法が、
ファネルカテーテルアセンブリの内側シャフト、外側シャフト、及びファネルを患者の脈管構造内に少なくとも部分的に挿入することと、
内側シャフト、外側シャフト、及びファネルを一緒に患者の脈管構造内の展開位置まで前進させることであって、ファネルが、前進中に外側シャフトの管腔内に被覆される、前進させることと、
ファネルを露出させ、かつファネルが拡張位置に拡張することを可能にするために、外側シャフトを内側シャフトに対して移動させることと、
血管内処置の少なくとも一部の間、ファネルを拡張位置に維持することと、
ファネルを外側シャフトの管腔内に被覆するために、外側シャフトを内側シャフトに対して移動させ、かつ/又は内側シャフトを外側シャフトに対して移動させることと、
ファネルカテーテルアセンブリを患者から引き抜くことと、を含む、方法。
15.ファネルが、自己拡張可能であり、ファネルを露出させるために外側シャフトを内側シャフトに対して移動させることが、ファネルが拡張位置に自己拡張することを可能にすることを含む、実施例14に記載の方法。
16.ファネルを露出させるために外側シャフトを内側シャフトに対して移動させることが、ファネルカテーテルアセンブリの制御アセンブリのスライダを第1の位置から第2の位置へ移動させることを含み、スライダが、外側シャフトの近位部分に連結されている、実施例14又は実施例15に記載の方法。
17.ファネルを露出させるために外側シャフトを内側シャフトに対して移動させることが、ファネルカテーテルアセンブリの制御アセンブリの回転可能な要素を第1の位置から第2の位置に回転させることを含む、実施例14~16のいずれか1つに記載の方法。
18.ファネルが、非自己拡張型であり、方法が、ファネルを作動させて拡張位置に拡張させることを更に含む、実施例14、16、及び17のいずれか1つに記載の方法。
19.
内側シャフト、外側シャフト、及びファネルを患者の脈管構造内に挿入することが、内側シャフト内に配置された拡張器を患者の脈管構造内に少なくとも部分的に挿入することを更に含み、
内側シャフト、外側シャフト、及びファネルを前進させることが、内側シャフト、外側シャフト、ファネル、及び拡張器を一緒に展開位置まで前進させることを更に含む、実施例14~18のいずれか1つに記載の方法。
20.ファネルを露出させるために外側シャフトを内側シャフトに対して移動させることが、外側シャフトを第1の方向に移動させることを含み、方法が、外側シャフトを第1の方向とは反対の第2の方向に移動させることによって、ファネルを被覆するために外側シャフトを内側シャフトに対して移動させることを更に含む、実施例14~19のいずれか1つに記載の方法。
本技術の実施形態の上記の詳細な説明は、網羅的であること、又は本技術を上記で開示された厳密な形態に限定することを意図していない。本技術の特定の実施形態及び例が例示の目的で上に記載されているが、当業者が認識するように、本技術の範囲内で様々な同等の修正が可能である。例えば、ステップは所与の順序で提示されているが、代替的な実施形態は、異なる順序でステップを実行してもよい。本明細書に記載された様々な実施形態を組み合わせて、更なる実施形態を提供してもよい。
Claims (25)
- ファネルカテーテルアセンブリであって、
外側管腔を画定し、かつ近位部分及び遠位部分を有する外側シャフトと、
前記外側管腔を通って延在し、かつ近位部分及び遠位端部分を有する内側シャフトであって、前記内側シャフトは、内側管腔を画定する、内側シャフトと、
前記内側シャフトの前記遠位端部分に連結され、かつ前記内側シャフトの前記遠位端部分から遠位に延在する拡張可能なファネルと、
(a)近位部分及び遠位部分を有し、かつハウジング管腔を画定するハウジングと、(b)前記ハウジングに移動可能に連結されたアクチュエータとを備える制御アセンブリであって、
前記内側シャフトは、少なくとも部分的に前記ハウジング管腔を通って延在し、かつ、前記ハウジングの前記近位部分と前記遠位部分との間に延在する方向に前記ハウジングに対して長手方向の位置に固定され、
前記外側シャフトの前記近位部分は、少なくとも部分的に前記ハウジング管腔内に配置され、かつ、前記アクチュエータに動作可能に連結され、
前記アクチュエータは、少なくとも部分的に前記ハウジング管腔を通って前記外側シャフトの前記近位部分を移動させて前記ファネルを第1の位置と第2の位置との間で移動させるように作動されるように構成され、
前記第1の位置において、前記ファネルは、前記外側シャフトの前記外側管腔内に拘束され、
前記第2の位置において、前記ファネルは、前記ファネルが拡張してボリュームを囲むことができるように、少なくとも部分的に前記外側シャフトの前記外側管腔の外側に配置される、制御アセンブリと、
前記制御アセンブリに連結されたサイドポートであって、前記サイドポートは、前記内側管腔に流体連結されたサイドポート管腔を画定し、前記サイドポート管腔は、前記内側管腔を吸引して前記ファネルの前記ボリュームを吸引するように構成された吸引源に流体連結されるように構成されている、サイドポートと
を備える、ファネルカテーテルアセンブリ。 - 前記アクチュエータが、前記外側シャフトに固定して連結され、かつ前記内側シャフトに対して前記外側シャフトを摺動させるように構成されている、請求項1に記載のファネルカテーテルアセンブリ。
- 前記アクチュエータは、前記ハウジングの前記近位部分に向かって近位に少なくとも部分的に前記ハウジング管腔を通って前記外側シャフトの前記近位部分を移動させて前記ファネルを前記第1の位置から前記第2の位置に移動させるように作動されるように構成されている、請求項2に記載のファネルカテーテルアセンブリ。
- 前記アクチュエータは、(a)少なくとも部分的に前記ハウジング管腔内に配置され、かつ、前記外側シャフトの前記近位部分に固定して連結された連結部分と、(b)前記ハウジング管腔の外側に延在するスライダ部分とを備え、前記スライダ部分は、ユーザによって把持され、かつ、前記ハウジングの前記近位部分に向かって少なくとも部分的に近位に前記ハウジングに沿って摺動して、対応して前記ハウジング管腔を通って前記外側シャフトの前記近位部分及び前記連結部分を移動させて、前記ファネルを前記第1の位置から前記第2の位置に移動させるように構成されている、請求項3に記載のファネルカテーテルアセンブリ。
- 前記ファネルが、近位部分及び遠位部分を含み、前記ファネルの前記近位部分が、前記内側シャフトの前記遠位端部分に連結されている、請求項1に記載のファネルカテーテルアセンブリ。
- 前記ファネルの前記遠位部分が、前記外側シャフトに連結されている、請求項5に記載のファネルカテーテルアセンブリ。
- 封止可能なハブを更に備え、前記サイドポートが、前記ハウジングの前記近位部分と前記封止可能なハブとの間に回転可能に連結されている、請求項1に記載のファネルカテーテルアセンブリ。
- ファネルカテーテルアセンブリであって、
外側管腔を画定し、かつ近位部分及び遠位部分を有する外側シャフトと、
前記外側管腔を通って延在し、かつ近位部分及び遠位端部分を有する内側シャフトであって、前記内側シャフトは、内側管腔を画定する、内側シャフトと、
前記内側シャフトの前記遠位端部分に連結され、かつ前記内側シャフトの前記遠位端部分から遠位に延在する拡張可能なファネルと、
(a)近位部分及び遠位部分を有し、かつハウジング管腔を画定するハウジングと、(b)前記ハウジングに移動可能に連結された作動部材とを備える制御アセンブリであって、
前記内側シャフトは、少なくとも部分的に前記ハウジング管腔を通って延在し、かつ、前記ハウジングの前記近位部分と前記遠位部分との間に延在する方向に前記ハウジングに対して長手方向の位置に固定され、
前記外側シャフトの前記近位部分は、少なくとも部分的に前記ハウジング管腔内に配置され、かつ、前記作動部材に動作可能に連結され、
前記作動部材は、第1の位置と第2の位置との間で少なくとも部分的に前記ハウジング管腔を通って前記外側シャフトの前記近位部分を移動させるように構成され、
前記第1の位置において、前記外側シャフトの前記遠位部分は、前記ファネルを半径方向に拘束するように、前記ファネルの上に少なくとも部分的に配置され、
前記第2の位置において、前記外側シャフトの前記遠位部分は、前記ファネルが半径方向に拡張してボリュームを囲むことができるように、前記ファネルに対して近位に後退させられる、制御アセンブリと、
前記制御アセンブリに連結されたサイドポートであって、前記サイドポートは、前記内側管腔に流体連結されたサイドポート管腔を画定し、前記サイドポート管腔は、前記内側管腔を吸引して前記ファネルの前記ボリュームを吸引するように構成された吸引源に流体連結されるように構成されている、サイドポートと
を備える、ファネルカテーテルアセンブリ。 - 前記作動部材が、前記外側シャフトの前記近位部分を前記第1の位置と前記第2の位置との間で移動させるように前記ハウジングに沿って摺動可能である、請求項8に記載のファネルカテーテルアセンブリ。
- 前記ファネルが、自己拡張するように構成されている、請求項8に記載のファネルカテーテルアセンブリ。
- 前記内側管腔が、拡張器を受容するようにサイズ決めされている、請求項8に記載のファネルカテーテルアセンブリ。
- 前記ハウジングの前記近位部分に連結された止血弁をさらに備え、前記内側シャフトの前記近位部分は、前記止血弁に連結され、前記止血弁は、前記内側管腔への流体アクセスを選択的に提供するように作動可能である、請求項1に記載のファネルカテーテルアセンブリ。
- 前記サイドポートは、近位部分及び遠位部分を有し、前記サイドポートの前記遠位部分は、前記ハウジングの前記近位部分に回転可能に連結されており、
前記サイドポートの前記近位部分に回転可能に連結された止血弁をさらに備え、前記止血弁は、前記内側管腔及び前記サイドポート管腔への流体アクセスを選択的に提供するように作動可能である、請求項1に記載のファネルカテーテルアセンブリ。 - 前記内側シャフトの前記近位部分に固定して連結されたコネクタをさらに備え、前記コネクタは、前記ハウジング管腔内で回転可能に連結されている、請求項13に記載のファネルカテーテルアセンブリ。
- 前記サイドポート、前記止血弁、及び前記ハウジングは、前記コネクタ及び前記内側シャフトから独立して回転するように構成されている、請求項14に記載のファネルカテーテルアセンブリ。
- 前記サイドポートはさらに、前記サイドポート管腔に流体連結された分岐管腔を画定し、
前記分岐管腔に流体連結された吸引チューブと、
前記吸引源と、
前記吸引チューブに沿って流体連結された流体制御デバイスと
をさらに備え、
前記吸引源は、前記吸引チューブに流体連結されており、前記流体制御デバイスは、前記吸引源を前記内側管腔に選択的に流体接続するように作動可能である、請求項13に記載のファネルカテーテルアセンブリ。 - 前記外側シャフトの前記近位部分は、前記ハウジングの前記近位部分と前記ハウジングの前記遠位部分との間のみにおいて前記ハウジング管腔を通って移動するように拘束される、請求項1に記載のファネルカテーテルアセンブリ。
- 前記アクチュエータは、前記ハウジングに沿って近位に摺動して少なくとも部分的に前記ハウジング管腔を通って近位に前記外側シャフトの前記近位部分を移動させて前記ファネルを前記第1の位置と前記第2の位置との間で移動させるように構成されている、請求項1に記載のファネルカテーテルアセンブリ。
- 前記作動部材は、前記ハウジングに沿って近位に摺動して前記第1の位置と前記第2の位置との間で少なくとも部分的に前記ハウジング管腔を通って近位に前記外側シャフトの前記近位部分を移動させるように構成されている、請求項8に記載のファネルカテーテルアセンブリ。
- 封止可能なハブを更に備え、前記サイドポートが、前記ハウジングの前記近位部分と前記封止可能なハブとの間に回転可能に連結されている、請求項8に記載のファネルカテーテルアセンブリ。
- 前記ハウジングの前記近位部分に連結された止血弁をさらに備え、前記内側シャフトの前記近位部分は、前記止血弁に連結され、前記止血弁は、前記内側管腔への流体アクセスを選択的に提供するように作動可能である、請求項8に記載のファネルカテーテルアセンブリ。
- 前記サイドポートは、近位部分及び遠位部分を有し、前記サイドポートの前記遠位部分は、前記ハウジングの前記近位部分に回転可能に連結されており、
前記サイドポートの前記近位部分に回転可能に連結された止血弁をさらに備え、前記止血弁は、前記内側管腔及び前記サイドポート管腔への流体アクセスを選択的に提供するように作動可能である、請求項8に記載のファネルカテーテルアセンブリ。 - 前記内側シャフトの前記近位部分に固定して連結されたコネクタをさらに備え、前記コネクタは、前記ハウジング管腔内で回転可能に連結されている、請求項22に記載のファネルカテーテルアセンブリ。
- 前記サイドポート、前記止血弁、及び前記ハウジングは、前記コネクタ及び前記内側シャフトから独立して回転するように構成されている、請求項23に記載のファネルカテーテルアセンブリ。
- 前記サイドポートはさらに、前記サイドポート管腔に流体連結された分岐管腔を画定し、
前記分岐管腔に流体連結された吸引チューブと、
前記吸引源と、
前記吸引チューブに沿って流体連結された流体制御デバイスと
をさらに備え、
前記吸引源は、前記吸引チューブに流体連結されており、前記流体制御デバイスは、前記吸引源を前記内側管腔に選択的に流体接続するように作動可能である、請求項22に記載のファネルカテーテルアセンブリ。
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| CA3185495A1 (en) | 2021-12-09 |
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| US20210378694A1 (en) | 2021-12-09 |
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